#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
    double a = 0;
    double b = 0;
    char x = 0;
    scanf("%lf%c%lf", &a, &x, &b);
    if (x == '+' || x == '-' || x == '*' || x == '/')
    {
        if (x == '+')
            printf("%.4lf%c%.4lf=%.4lf", a, x, b, a + b);
        else if (x == '-')
            printf("%.4lf%c%.4lf=%.4lf", a, x, b, a - b);
        else if (x == '/' && b == 0.0)
        {
            printf("Wrong!Division by zero!");
        }
        else if (x == '/')
        {
            printf("%.4lf%c%.4lf=%.4lf", a, x, b, a / b);
        }
        else if (x == '*')
            printf("%.4lf%c%.4f=%.4f", a, x, b, a * b);
    }
    else
    {
        printf("Invalid operation!");
    }
    return 0;
}